cc1352-launchpad: enable periph_gpio_irq.
cc1352-launchpad: enable periph_gpio_irq.

This feature is supported by the processor.

Signed-off-by: Jean Pierre Dudey <341388fa1817ca285e65547384a9727ce7f6d39a@hotmail.com>

basilfx/RIOT,jasonatran/RIOT,jasonatran/RIOT,ant9000/RIOT,authmillenon/RIOT,kYc0o/RIOT,basilfx/RIOT,smlng/RIOT,toonst/RIOT,basilfx/RIOT,kYc0o/RIOT,yogo1212/RIOT,basilfx/RIOT,smlng/RIOT,ant9000/RIOT,OlegHahm/RIOT,authmillenon/RIOT,yogo1212/RIOT,OlegHahm/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,toonst/RIOT,toonst/RIOT,OTAkeys/RIOT,jasonatran/RIOT,OlegHahm/RIOT,yogo1212/RIOT,kaspar030/RIOT,yogo1212/RIOT,x3ro/RIOT,x3ro/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,authmillenon/RIOT,miri64/RIOT,kaspar030/RIOT,miri64/RIOT,miri64/RIOT,jasonatran/RIOT,toonst/RIOT,ant9000/RIOT,OTAkeys/RIOT,kaspar030/RIOT,OTAkeys/RIOT,authmillenon/RIOT,miri64/RIOT,basilfx/RIOT,kYc0o/RIOT,smlng/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,RIOT-OS/RIOT,kaspar030/RIOT,x3ro/RIOT,ant9000/RIOT,miri64/RIOT,RIOT-OS/RIOT,ant9000/RIOT,kYc0o/RIOT,toonst/RIOT,smlng/RIOT,kaspar030/RIOT,authmillenon/RIOT,x3ro/RIOT,OTAkeys/RIOT,yogo1212/RIOT,RIOT-OS/RIOT,smlng/RIOT,authmillenon/RIOT,x3ro/RIOT,jasonatran/RIOT,kYc0o/RIOT